shell.c: complain on insufficient arguments.

diff --git a/git-prune.sh b/git-prune.sh
index c4de7f5f250b647065c97dabbb234216f5c8c718..1fd8c731cdd3651e3cd3c527915db7a4c4324be0 100755 (executable)
--- a/git-prune.sh
+++ b/git-prune.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-. git-sh-setup || die "Not a git archive"
+. git-sh-setup
 
 dryrun=
 echo=